Ligand Atom Receptor Atom Distance -- C 89 THR OG1 A 218 ASN O 2.58 C 21 TYR OH A 210 PRO O 2.66 C 42 HIS ND1 A 188 SER OG 2.73 C 56 ASP N A 213 THR OG1 2.79 C 50 ASP OD2 A 206 GLN NE2 2.80 C 87 TYR N A 62 ASN OD1 2.87 C 55 HIS NE2 A 206 GLN OE1 2.94 C 57 GLY N A 213 THR OG1 2.94 C 42 HIS CG A 188 SER OG 2.96